
R.A.P.992304-CHIU
GHz TECHNOLOGY INC. RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE. GHz RECOMMENDS THAT BEFORE THE PRODUCT(S) DESCRIBED HEREIN ARE
WRITTEN INTO SPECIFICATIONS, OR USED IN CRITICAL APPLICATIONS, THAT THE PERFORMANCE CHARACTERISTICS BE VERIFIED BY CONTACTING THE FACTORY.
GHz Technology Inc. 3000 Oakmead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120
1920CD35
35 Watts, 25 Volts, Class AB
Personal 1930 – 1990 MHz
GENERAL DESCRIPTION
The
1920CD35
is a
COMMON EMITTER
transistor capable of providing 35
Watts of Class AB, RF output power over the band 1930-1990 MHz. This
transistor is specifically designed for
PERSONAL COMMUNICATIONS
BASE STATION
amplifier applications. It includes Input prematching and
utilizes Gold metalization and HIGH VALUE EMITTER ballasting to provide
high reliability and supreme ruggedness.
CASE OUTLINE
55AR Style 2
COMMON EMITTER
ABSOLUTE MAXIMUM RATINGS
Maximum Power Dissipation @ 25
°
C 120 Watts
Maximum Voltage and Current
Collector to Emitter Voltage (BV
CES
) 55 V
Collector to Emitter Voltage (LC
CEO
) 27 V
Collector to Emitter Voltage (BV
CER
) 50 V
Emitter to Base Voltage (BV
EBO
) 3.5 V
Collector Current (I
c
) 14.0 Amps
Maximum Temperatures
Storage Temperature -65 to +200
°
C
Operating Junction Temperature +230
°
C
ELECTRICAL CHARACTERISTICS @ 25
°
C
SYMBOL
CHARACTERISTICS
TEST CONDITIONS
MIN
TYP
MAX
UNITS
P
out
P
in
P
g
η
c
VSWR
1
Power Out
Power Input
Power Gain
Collector Efficiency
Load Mismatch Tolerance
F = 1990 MHz
V
CC
= 25 Volts
Icq = 250 mAmps
As above
35
W
W
dB
%
6.0
8.0
8.5
43
3:1
FUNCTIONAL CHARACTERISTICS @ 25
°
C
BV
CES
LV
CEO
BV
CER
BV
EBO
I
CES
h
FE
C
OB
θ
jc
2
Collector to Emitter Breakdown
Collector to Emitter Breakdown
Collector to Emitter Breakdown
Emitter to Base Breakdown
Collector Leakage Current
DC – Current Gain
Output Capacitance
Thermal Resistance
Ie = 50 mA
Ic = 50 mA
Ic = 50mA, Re = 10 Ohms
Ie = 10mA
Vce = 27 V
Vce = 5V, Ic = 1A,
F = 1 MHz, Vcb = 28V
Tc = 25
o
C
55
25
50
3.5
V
V
V
V
mA
10
100
20
28
PF
1.6
°
C/W
Initial Issue April 1999